Telescopes & Astronomy

Beginner Telescopes
Kids' Telescope

Buying your first telescope? Browse our curated selection of beginner telescopes.

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Telescope Use

What will you use your telescope for? Explore the many uses of different types of telescopes.

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Cassegrain Telescope

Choose your telescope by optical design or learn more about the different types of telescopes.

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  1. Celestron X-Cel LX 9mm Eyepiece 1.25 Inch
    AUD $164.99

    Backorder Available

    • X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
    • Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
    • A treaded rubber grip offers a no-slip grip, even with gloves on
    • 1.25” barrels are threaded to accept filters
    Learn More
  2. Celestron SkySync GPS Accessory
    AUD $324.99

    Backorder Available

    • Upgrade your Celestron computerized telescope to GPS with SkySync
    • Improve the speed and accuracy of alignments with 16-channel GPS
    • Automatically updates the time and date
    • Plugs into the AUX port on the base of the telescope
    • Compatible for all non-GPS Celestron computerized telescopes
    Learn More
  3. Celestron Eyepiece and Filter Kit 1.25 Inch
    AUD $374.99

    Backorder Available

    • This 1.25” Eyepiece & Filter Kit includes 14 accessories that will add new life to your telescope and your observing!
    • You’ll get five quality Plossl eyepieces, a 2X Barlow Lens, six colored filters to improve observations of the planets, a Moon filter, and a foam-fitted aluminum carry case with extra room to grow
    • Five eyepieces and a Barlow lens equals 10 different magnifications to choose from, including the equivalent of a 3 mm, 4 mm, 6 mm, 6.5 mm, 8 mm, 8.5 mm, 13 mm, 16 mm, 17 mm and 32 mm.  And that doesn’t include eyepieces you may already have in your collection, which will now achieve double the magnification with the addition of the Barlow.
    • A Moon filter will increase your enjoyment of lunar observations by dimming the brightness and increasing contrast
    • The most popular planetary filters are included in this kit.  Have fun seeing what a blue filter will reveal about Jupiter, or unveil the polar ice caps on Mars with a red or orange filter.  
    Learn More
  4. Celestron 2 Inch Mirror Diagonal with XLT
    AUD $499.00

    Backorder Available

    • 2” SCT mirror diagonal with high performance XLT coatings
    • 1/10th wave mirror is tested with an interferometer to ensure quality
    • Housing is precision machined to achieve and hold good optical alignment
    • Includes a 2” to 1.25” adapter and aluminum carry case
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  5. Celestron Luminos 2.5x Barlow Lens 2 Inch
    AUD $244.99

    Backorder Available

    • The Celestron 2.5x Luminos Barlow increases the magnification of any 2” or 1.25” eyepiece by two and a half times
    • High-quality 4-element optics produce a flat field for sharp images that are free of extraneous color
    • Hard-anodized aluminum barrel is threaded to accept 2” filters
    • A brass compression ring holds eyepieces firmly in place, and large thumbscrews are easy to turn, even with gloves on
    • A 2” to 1.25” adapter is included.  Allows the use of both 2” and 1.25” eyepieces.
    Learn More
  6. Celestron X-Cel LX 3x Barlow Lens 1.25 Inch
    AUD $194.99

    Backorder Available

    • Quality X-Cel LX 3x Barlow triples the magnification of any 1.25” eyepiece, perfect for owners of fast, short focal length telescopes
    • 3-element apochromatic, fully multi-coated optics offer up bright, sharp images with excellent color correction
    • A rubber grip helps to avoid accidental drops
    • Barrel is threaded to accept standard 1.25” filters
    • A brass compression ring holds eyepiece firmly in place
    Learn More
  7. Celestron HD Pro Wedge for CPC 800/925/1100
    AUD $999.00

    Backorder Available

    • Celestron's HD Pro Wedge is designed to support our fork mounted Schmidt Cassegrain Telescopes up to 11"
    • The HD Pro Wedge provides a heavy duty, stable platform that is perfect for astroimaging and guarantees minimal vibration
    Learn More
  8. Celestron X-Cel LX 12mm Eyepiece 1.25 Inch
    AUD $164.99

    Backorder Available

    • X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
    • Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
    • A treaded rubber grip offers a no-slip grip, even with gloves on
    • 1.25” barrels are threaded to accept filters
    Learn More
  9. Celestron Reducer Lens 0.7x EdgeHD 8 Inch
    AUD $749.00

    Backorder Available

    • The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 800 one full f-stop faster than f/10, doubling the equivalent exposure at f/10
    • 4-element lens design
    • Maintains similar flat-field performance as native EdgeHD optical design
    • Increases field of view by 43% (double by area) to better capture wide field images
    • Optimized for APS-C sized sensors, including most DSLR cameras and Nightscape CCD cameras
    • Provides generous 105 mm back focus to accomodate additional accessories and a wide variety of cameras
    • Compatible with EdgeHD 800 T-Adapter
    Learn More
  10. Celestron Reducer Lens 0.7x EdgeHD - 11 Inch
    AUD $2,199.00

    Backorder Available

    • The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1100 one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of object
    • 5-element lens design
    • Maintains similar flat-field performance as native EdgeHD optical design
    • Increases field of view by 43% to better capture wide field images
    • Threads directly onto the 3.25" threads of the EdgeHD which reduces mechanical vignetting and allows for use with larger (full frame) sensors and Off-Axis Guiders
    • Maintains the identical back focus when used at f/10 and provides generous back focus to accommodate additional accessories and wide variety of cameras
    • Allows use of existing EdgeHD T-Adapters with or without the Reducer Lens
    Learn More

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